1 /*
 2  * Copyright (c) 2003, 2021, Oracle and/or its affiliates. All rights reserved.
 3  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
 4  * Copyright (c) 2021, Azul Systems, Inc. All rights reserved.
 5  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 6  *
 7  * This code is free software; you can redistribute it and/or modify it
 8  * under the terms of the GNU General Public License version 2 only, as
 9  * published by the Free Software Foundation.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  *
25  */
26 
27 #ifndef OS_CPU_BSD_AARCH64_PREFETCH_BSD_AARCH64_INLINE_HPP
28 #define OS_CPU_BSD_AARCH64_PREFETCH_BSD_AARCH64_INLINE_HPP
29 
30 #include "runtime/prefetch.hpp"
31 
32 
33 inline void Prefetch::read (void *loc, intx interval) {
34   if (interval >= 0)
35     asm("prfm PLDL1KEEP, [%0, %1]" : : "r"(loc), "r"(interval));
36 }
37 
38 inline void Prefetch::read_streaming(void *loc, intx interval) {
39   read (loc, interval);
40 }
41 
42 inline void Prefetch::write(void *loc, intx interval) {
43   if (interval >= 0)
44     asm("prfm PSTL1KEEP, [%0, %1]" : : "r"(loc), "r"(interval));
45 }
46 
47 #endif // OS_CPU_BSD_AARCH64_PREFETCH_BSD_AARCH64_INLINE_HPP